upper sheave block

См. также в других словарях:

• Portsmouth Block Mills — The Portsmouth Block Mills form part of the Portsmouth Dockyard at Portsmouth, Hampshire, England, and were built during the Napoleonic Wars to supply the British Royal Navy with pulley blocks. They started the age of mass production using all… …   Wikipedia

• Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… …   Wikipedia

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

• Whistler Blackcomb — This article is about the ski resort. For other pages with the name Whistler, see Whistler (disambiguation). Whistler Blackcomb …   Wikipedia

• Sail-plan — A sail plan is a set of drawings, usually prepared by a naval architect. It shows the various combinations of sail proposed for a sailing ship.The combinations shown in a sail plan almost always include three configurations:A light air sail plan …   Wikipedia

• One Canada Square — A view of One Canada Square, the second tallest building in the United Kingdom. Record height Tallest in the United …   Wikipedia

• swallow — swallow1 swallowable, adj. swallower, n. /swol oh/, v.t. 1. to take into the stomach by drawing through the throat and esophagus with a voluntary muscular action, as food, drink, or other substances. 2. to take in so as to envelop; withdraw from… …   Universalium